Modify plsnprintf so that plplot will abort if a buffer overrun occurs.  This is only used if snprintf is not natively available, and instead it  calls sprintf. We can detect when an overflow occurs, but not prevent  it, so the safest thing is probably to abort.
Modify plsnprintf so that plplot will abort if a buffer overrun occurs. 
This is only used if snprintf is not natively available, and instead it 
calls sprintf. We can detect when an overflow occurs, but not prevent 
it, so the safest thing is probably to abort.


svn path=/trunk/; revision=9479

FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot